Geoff Ridley, past mycologist at SCION and author of popular guides on New Zealand Fungi, maintains a blog ... http://sporesmouldsandfungi.wordpress.com Comments Fungi Identification Hi, I have an orange fungi with a whitish back, shaped like an upside down oyster. It is growing out of a tree in Catlins South Island. Its very thin almost transparent and I have not been able to identify it. I can email a photo for you, to help with identification. Kind Regards Karen RE: Fungi Identification Hi Karen, Try posting a photo on NatureWatch it is a great place to get ID from a bunch of knowledgeable people, including us!